8
We reserve the right to make any changes due to technical modifications.
Installation instructions xM10 function modules • Issue 03/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
Wall-mounted boilers
3
Making electrical connections
WARNING!
RISK TO LIFE
from electric shock.
!
Isolate the heating system from the mains supply using the
emergency stop switch or by extracting the mains fuse.
Fig. 3
Providing an electrical supply
Item 1:
Terminal box for boiler
Item 2:
Mains supply cable (in cable harness)
Item 3:
Terminals for 230-V inputs or outputs (e. g. for mains connection
or pumps)
Item 4:
Low-voltage terminals (e. g. for bus system or temperature
sensors)
Item 5:
Bus cable (in cable harness)
2
3
4
5
1
